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il@ STATES R. P. ABERNETHY, OF CINCINNATI, OHIO, ASSIGNOR TO UNION CORKMANUFACTURING COMPANY, OF SAME PLACE.

MACHINE FOR CUTTING CORKS.

Specification of Letters Patent No. 20,770, dated Ju1y 6, 1858.

To all whom 'it may concern:

Be it known that I, ROBERT P. ABERNETHY, of Cincinnati, Hamilton county,Ohio, have invented new and useful Improvements in Cork-CuttingMachinery; and I hereby. declare the following to be a full and exactdescription of the same, reference being had to the accompanyingdrawings, making part of this specification.

The rst part of my invention relates to an automatic device for feedingthe blank to the mandrels.

The second part of my invention relates to an automatic device forcutting oval corks.

In the accompanying drawings Figure l is an isometric view of a machinewith my improvements. Fig. 2 is an aXial section thereof at the plane :cm .c Fig. 1. Fig. 3 is a frontview of the feeding mechanism and ovalingmechanism on an enlarged scale. Figs. 4 and 5 are side views of the samein different positions.

A, is a frame supporting a horizontal cutter wheel j, armed with fourknives 7c. Four counter shafts l, are so geared together as to revolvefour times at each revolution of the cutter wheel.

Stationary but adjustable headstocks c, c, support mandrels r, s, one ofwhich (r) at the proper moment for grasping the blank is slid forward inits bearings. Each pair of mandrels is so geared to a counter shaft asto commence rotating on the instant that the knife has entered the fulllength of the blank, and the two mandrels together make just onerevolution during the remainder of the cut, when the recession of thesliding mandrel liberates the then finished cork.

Journaled horizontally to the frame (so as to move in a vertical plane)is an arm d, having a rectangularly notched head e, adapted to hold thesquare piece or blank, out of which a bottle cork is made. At one end ofthis notch is a small yielding strip of metal f, of such shape as whenadvanced to remain clear of the stationary mandrel. This strip f, servesas a shoulder or stop for the end of the blank, its pliabilitypermitting a slight longitudinal movement in obedience to the slidingmandrel. A lip g which curves outward and downward from the head e,receives the finished cork from the mandrels and conducts it into thedischarging spout g. An intermittent vibratory motion is given to thearm CZ, by means of a suitable cam F, which derives its motion from thesame mechanism which operates t-he mandrels. The arm el, with itsappendages I style the automatic feed rest d, e, f, g.

The parts are so arranged that the rest is moved up in time for theblank to be grasped by the mandrel just before the incision of theknife, when being relinquished by the cam it is retracted by spring orweight.

For making oval corks I effect a slight elevation and depression of themandrels, twice during every rotation by means of eccentrics H,connected to the mandrel shafts by rods I. In order to admit of thedesired play of the mandrels their front ends occupy vertical slots inthe headstocks, which while restraining any lateral play permit a slightvertical oscillation of the mandrels. In order to effect these rela-tivemotions the eccentric shafts are geared to make two revo lutions forevery revolution of the mandrels. The amount of ovaling is varied atpleasure by changing the eccentricity of the eccentric sheaves, whichfor this purpose may consist of rings and may be made adjustable furtherfrom or nearer to concentricity with the shaft by set screws h.,engaging in slotted collars k.' The rods I, are capable of beinglengthened or shortened by means of screws z'. By this automaticmechanism thin slabs may be worked up into oval corks similar to thosenow made by hand.

The improvements may be used in conjunction with any forms of suitableintermittently acting cutters and mandrels.

I claim as new and of my invention herein:

l. In this connection, the automatic feed rest CZ, e, f, g,substantially as set forth.

2. Imparting to the mandrels of a cork cutting machine, a compoundrotary and vibratory movement by means and for the purposessubstantially as set forth.

In testimony of which invention I hereunto set my hand. R. P. ABERNETHY.

Witnesses:

Gmo. H. KNIGHT, C. STEEMER.

